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Power Plant Engineering

Power Plant Engineering
The material most commonly used for shielding is

Carbon
Lead
Concrete
All of these

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Power Plant Engineering
A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be

Good thermal conductor
All of the listed here
Stable under nuclear radiation
Corrosion resistant

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Power Plant Engineering
A fission chain reaction in uranium can be developed

By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron
Both (A) and (B)
By increasing the contents of U₂₃₅
None of these

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Power Plant Engineering
Plutonium (Pu239) is produced

By fission of Th232
As basic raw material
When U238 is irradiated by neutrons
Artificially

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Power Plant Engineering
Boiling water reactor uses the following as moderator, coolant and working fluid

Molten lead
Ordinary fluid
Heavy water
Hydrogen gas

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Power Plant Engineering
Nuclear reactors are used

To produce heat for thermoelectric power
To produce fissionable material
To propel ships, submarines, aircrafts
All of the listed here

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